package map;

import java.util.*;

/**/
public class ForeachDemo {
    public static void main(String[] args) {
        Collection<String> c = new ArrayList<>();
        c.add("one");
        c.add("two");
        c.add("three");
        c.add("four");
        c.add("five");
        System.out.println(c);
        for (String s: c){
            System.out.println(s);
        }
//        c.forEach(s -> System.out.println(s));


        Map<String,Integer> map = new HashMap<>();
        map.put("数学",98);
        map.put("英语",97);
        map.put("物理",96);
        map.put("化学",99);
        System.out.println(map);
        map.forEach(((k,v)-> System.out.println(k+":"+v)));


    }
}
